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Description
- 1x Dragino SE01-LB LoRaWAN Soil Moisture & EC Sensor (US915)
Common DC Characteristics
- Supply Voltage: Built-in Battery, 2.5v ~ 3.6v
- Operating Temperature: -40 ~ 85 °C
Soil Moisture
- Range: 0-100.00 V/V %
- Resolution: 0.01 V/V %
- Accuracy: ±3% (0-53%)V/V %, ±5% (>53%) V/V %
- Measure Method: FDR, with temperature & EC compensate
Soil Temperature
- Range: -40～85 °C
- Resolution: 0.01 °C
- Accuracy: -10～50 °C: <0.3 °C, All other: <0.6 °C
- Measure Method: RTD, and calibrate
Soil Conductivity
- Range: 0-20000 uS/cm (25 °C) (0-20.0EC)
- Resolution: 1 uS/cm
- Accuracy: 2%FS
- Measure Method: Conductivity, with temperature compensate
LoRa Spec
- Frequency Range, Band 1 (HF): 862 ~ 1020 Mhz
- Max +22 dBm constant RF output vs.
- RX sensitivity: down to -139 dBm
- Excellent blocking immunity
Battery
- Li/SOCI2 un-chargeable battery
- Capacity: 8500 mAh
- Self-Discharge: <1% / Year @ 25 °C
- Max continuous current: 130 mA
- Max boost current: 2A, 1 second
Power Consumption
- Sleep Mode: 5uA @ 3.3v
- LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm